There have been explosions in both the eastern Ukrainian city of Kharkiv and the western Russian city of Belgorod following a Russian airstrike, officials said. According to regional military administrator Oleh Syniehubov, there were four injured civilians in Kharkiv, three men and one woman, he said on Saturday on Telegram. Aerial bombs were also dropped on the village of Cherkassky Tyshky near the border, Syniehubov said. There were also reports of a loud explosion on the opposite side of the border in Russia at around the same time, leading to some media outlets speaking of the possibility …